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Finding the Fourth Proportional to 73,073.60, 109,610.40 and 17,669.60

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Solution

The fourth proportional to 73,073.60, 109,610.40 and 17,669.60 is: 26,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,073.60 : 109,610.40 = 17,669.60 : x
  2. Step 2: Convert to fraction form
    73,073.60/109,610.40 = 17,669.60/x
  3. Step 3: Cross multiply
    73,073.60x = 109,610.40 × 17,669.60
  4. Step 4: Simplify right side
    73,073.60x = 1,936,771,923.84
  5. Step 5: Solve for x
    x = 1,936,771,923.84/73,073.60
  6. Step 6: Final answer
    x = 26,504.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.